Acclaimed actress Vidya Balan will play former Prime Minister Indira Gandhi onscreen in a project based on journalist-author Sagarika Ghoses book "Indira: Indias Most Powerful Prime Minister"."I am happy to have acquired the rights to Sagarika Ghose39s 'Indira...39, because I have always wanted to play Indira Gandhi. I haven39t decided yet whether it should be a film or a web series, but that will take a while anyway," Vidya, a National Award winner, said in a statement on Tuesday.Ghose, elated about signing the contract, wrote: "Most excited to see 'Indira39 on-screen!"She also called Vidya an "ace".The book, published by Juggernaut Books, is a no-holds-barred biographical portrait that looks for answers to lingering issues: from why Indira Gandhi revoked the Emergency to her son Sanjay39s curious grip over her and from her bad marriage and love affairs to her dangerous religious politics.